CN102601464A - Production method of extruder screw - Google Patents
Production method of extruder screw Download PDFInfo
- Publication number
- CN102601464A CN102601464A CN2011104333363A CN201110433336A CN102601464A CN 102601464 A CN102601464 A CN 102601464A CN 2011104333363 A CN2011104333363 A CN 2011104333363A CN 201110433336 A CN201110433336 A CN 201110433336A CN 102601464 A CN102601464 A CN 102601464A
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- Prior art keywords
- screw
- screw rod
- phase relation
- correct phase
- section
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000003801 milling Methods 0.000 claims abstract description 26
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 abstract description 6
- 238000012797 qualification Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 125000000174 L-prolyl group Chemical group [H]N1C([H])([H])C([H])([H])C([H])([H])[C@@]1([H])C(*)=O 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a production method of an extruder screw, which comprises the following steps: step 1, acquiring the size of a screw; step 2, acquiring gaps between sections of screws; step 3, acquiring a correct phase relation of the sections of threads; step 4, acquiring a correct phase relation between each section of threads and a spline; step 5, establishing a three-dimensional model for the screw according to the acquired size of the screw, the gap between the sections of screws, the correct phase relation of the sections of threads and the correct phase relation between each section of threads and the spline; step 6, processing the three-dimensional model to determine a track that a milling cutter is processed by the screw; and step 7, machining a material to be machined on a milling machine according to the track that the milling cutter is processed by the screw so as to acquire the extruder screw. With the adoption of the production method of the extruder screw, the design and the manufacture of the screw are simpler, so that the production efficiency and the qualification ratio of the screw are improved, and the production cost of the screw is reduced.
Description
Technical field
The present invention relates to the extruder technology field, relate in particular to a kind of production method of extruder screw.
Background technology
The design of extruder screw is a very specialty, the work that theoretical property and practicality are very strong. domestic at present, outward according to Theoretical Calculation; Put into practice the experience decision screw rod parameter of test run, and calculate and confirm the required correlative connection structural parameters of other transmissions (key, spline etc.); Be depicted as two-dimensional engineering graphic then, according to the screw rod two-dimensional engineering graphic, with artificial do and method (pitch change gear; Profile milling cutter, artificial correction etc.) to process on the common screw milling machine. other drive mechanisms such as spline are processed on other lathes, and (particularly engagement: the varying pitch awl is two for special screw rod; With other complicated screw rods); On the numerical-control screw rod milling machine, carry out processing behind the numerical control programming according to screw rod parameter (, thread pitch, screw thread phase place etc.).The design of screw rod, modeling and procedure post processing are comparatively complicated, artificial do and the screw rod qualification rate that processes of method low, productivity ratio is low, production cost is high.
Summary of the invention
The technical problem that (one) will solve
The problem that the present invention will solve is to make screw design more simple with making, improves efficient and qualification rate that screw rod is produced, reduces the screw rod production cost.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of production method of extruder screw, said method comprising the steps of:
Step 1 is obtained the size of screw rod;
Step 2 is obtained each section screw clearance;
Step 3, obtaining each section screw thread has correct phase relation;
Step 4, obtaining each section screw thread and spline has correct phase relation;
Step 5 has correct phase relation, each section screw thread and spline that correct phase relation is arranged according to size, each section screw clearance, each section screw thread of the said screw rod that obtains, and sets up the threedimensional model of said screw rod;
Step 6 is handled said threedimensional model, confirms screw rod milling cutter processing track;
Step 7 is treated rapidoprint according to said screw rod milling cutter processing track and is handled on milling machine, obtain extruder screw.
Further, said milling machine is three-shaft linkage numerical-control screw rod milling machine or 5-shaft linkage numerical control screw milling machine.
(3) beneficial effect
The production method of a kind of extruder screw of the present invention makes screw design more simple with making, improves efficient and qualification rate that screw rod is produced, reduces the screw rod production cost.
Description of drawings
Fig. 1 is the flow chart of the production method of a kind of extruder screw of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention describes in further detail.Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
The production method of a kind of extruder screw of the present invention is as shown in Figure 1, and is domestic according to Theoretical Calculation, the statistical technique data of outer all kinds of existing screw rods and the experience decision screw rod parameter of putting into practice test run.May further comprise the steps:
Step 1 is obtained the size of accurate screw rod;
Step 2 is obtained accurate each section screw clearance;
Step 3, obtaining each section screw thread has correct phase relation;
Step 4, obtaining each section screw thread and spline has correct phase relation;
Step 5 has correct phase relation, each section screw thread and spline that correct phase relation is arranged according to size, each section screw clearance, each section screw thread of the said screw rod that obtains, and sets up the threedimensional model of said screw rod;
Set up accurate three-dimensional screw rod model and confirm screw rod milling cutter processing track, thereby confirm the screw milling machine procedure, just can process qualified screw rod.The accurate three-dimensional model of screw rod directly is used for machining information and has avoided complicated two-dimensional engineering graphic adding artificial mistake in man-hour.
Step 6 is handled said threedimensional model, confirms screw rod milling cutter processing track.
According to threedimensional model direct modeling screw rod processing on computers, and can measure the size that simulation processes the back screw rod, and proofread according to threedimensional model; Accurately measure each section screw clearance according to the threedimensional model of screw rod with generating in the two-dimensional engineering graphic automatically, and proofread, avoided adding man-hour as when interfering to revise the profile of tooth of screw rod model and revised; Guaranteeing to process back screw zones screw thread according to the simulation processing of the threedimensional model of screw rod does not interfere.
Step 7 is treated rapidoprint according to said screw rod milling cutter processing track and is handled on milling machine, obtain extruder screw.Milling machine is three-shaft linkage numerical-control screw rod milling machine or 5-shaft linkage numerical control screw milling machine.
Machining software is Unigraphics, Cimatron or Solidcam, and Three-dimensional Design Software is Unigraphic, Pro/Engineer, solidedge, solidwork or CATIA etc.
The production method of a kind of extruder screw of the present invention; Make screw design more simple with making; Particularly to varying pitch awl twin-screw, divergence type screw rod, barrier screw etc.; Mediate products such as piece, threaded block and improved the efficient and the qualification rate of producing, reduce the screw rod production cost, only need on a machine tool, to accomplish according to program.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (2)
1. the production method of an extruder screw is characterized in that: said method comprising the steps of:
Step 1 is obtained the size of screw rod;
Step 2 is obtained each section screw clearance;
Step 3, obtaining each section screw thread has correct phase relation;
Step 4, obtaining each section screw thread and spline has correct phase relation;
Step 5 has correct phase relation, each section screw thread and spline that correct phase relation is arranged according to size, each section screw clearance, each section screw thread of the said screw rod that obtains, and sets up the threedimensional model of said screw rod;
Step 6 is handled said threedimensional model, confirms screw rod milling cutter processing track;
Step 7 is treated rapidoprint according to said screw rod milling cutter processing track and is handled on milling machine, obtain extruder screw.
2. the production method of extruder screw as claimed in claim 1, it is characterized in that: said milling machine is three-shaft linkage numerical-control screw rod milling machine or 5-shaft linkage numerical control screw milling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104333363A CN102601464A (en) | 2011-12-21 | 2011-12-21 | Production method of extruder screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104333363A CN102601464A (en) | 2011-12-21 | 2011-12-21 | Production method of extruder screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102601464A true CN102601464A (en) | 2012-07-25 |
Family
ID=46519443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104333363A Pending CN102601464A (en) | 2011-12-21 | 2011-12-21 | Production method of extruder screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102601464A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841995A (en) * | 2015-05-21 | 2015-08-19 | 重庆德衡科技有限公司 | Screw rod milling cutter design method based on form and position geometry |
| CN108445841A (en) * | 2018-03-06 | 2018-08-24 | 好米动力设备有限公司 | A kind of device and method for processing single-screw compressor screw |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4580225A (en) * | 1983-09-22 | 1986-04-01 | General Electric Company | Method for producing multiple entry threads |
| RU1768361C (en) * | 1990-01-29 | 1992-10-15 | А.М.Хиблин | Method for machining spiral grooves |
| CN1319492A (en) * | 2001-04-02 | 2001-10-31 | 李洪明 | Method for manufacturing material rod of plastic processing machine |
| CN1475321A (en) * | 2002-08-15 | 2004-02-18 | 夏振明 | Numerical controlled screw helical flute mining machine |
| US20040111884A1 (en) * | 2001-01-19 | 2004-06-17 | Ralf Steffens | Profiled contour of a screw pump |
| CN2915334Y (en) * | 2006-06-16 | 2007-06-27 | 王隆太 | Cyclone enveloped digital control screw bolt milling machine |
-
2011
- 2011-12-21 CN CN2011104333363A patent/CN102601464A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4580225A (en) * | 1983-09-22 | 1986-04-01 | General Electric Company | Method for producing multiple entry threads |
| RU1768361C (en) * | 1990-01-29 | 1992-10-15 | А.М.Хиблин | Method for machining spiral grooves |
| US20040111884A1 (en) * | 2001-01-19 | 2004-06-17 | Ralf Steffens | Profiled contour of a screw pump |
| CN1319492A (en) * | 2001-04-02 | 2001-10-31 | 李洪明 | Method for manufacturing material rod of plastic processing machine |
| CN1475321A (en) * | 2002-08-15 | 2004-02-18 | 夏振明 | Numerical controlled screw helical flute mining machine |
| CN2915334Y (en) * | 2006-06-16 | 2007-06-27 | 王隆太 | Cyclone enveloped digital control screw bolt milling machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841995A (en) * | 2015-05-21 | 2015-08-19 | 重庆德衡科技有限公司 | Screw rod milling cutter design method based on form and position geometry |
| CN108445841A (en) * | 2018-03-06 | 2018-08-24 | 好米动力设备有限公司 | A kind of device and method for processing single-screw compressor screw |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120725 |